HMMIXBAA – Rytons Mixed Box of Brass Anodised Aluminium Hit & Miss Ventilators

General Details

HMMIXBAA – Rytons Mixed Box of Brass Anodised Aluminium Hit & Miss Ventilators

  • Handy box of 25 mixed size brass anodised aluminium hit & miss ventilators.
  • 10no 9×3, 10no 9×6 and 5no 9×9 all bagged and barcoded for display.
  • Note: Hit & Miss Ventilators must not be used to supply combustion and cooling air to boilers, stoves and fires.

Size:

  • 9×3: 242mm L x 89mm H.
  • 9×6: 242mm L x 165mm H.
  • 9×9: 242mm L x 242mm H.

Free Area:

  • 9×3: 3,741mm² (37.41cm²) per unit.
  • 9×6: 6,452mm² (64.52cm²) per unit.
  • 9×9: 11,250mm² (112.5cm²) per unit.

Colours:

  • Brass effect.

Composition:

  • 0.8mm (20 gauge) brass anodised aluminium.

Installation:

  • Position over opening and fasten into place.

Handling Information:

  • Box quantity: 25 number.
  • Box weight: 2.35kg.

Reference Material:

  • The Building Regulations 2000, Approved Document F.
  • The Building (Scotland) Regulations, Mandatory Standard 3.14.
  • The Building Regulations (Northern Ireland) 2000, Technical Booklet K.
  • British Standard BS 5250.